47th International Congress and Exposition on Noise Control Engineering at the Marriott Magnificent Mile Downtown Chicago, Illinois, USA, 2018, August 26-29. The Congress theme is Impact of Noise Control Engineering. The Congress is organized by the Institute of Noise Control Engineering of the USA (INCE-USA) on behalf of the International Institute of Noise Control Engineering (I-INCE). The Congress will include a noise control materials and instrumentation exposition, Plenary and Keynote presentation on noise control engineering and participant contributed papers and presentation on various aspects of noise control. It is the event that cannot be missed for all who work in the area of noise control engineering.